MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm with numerous external links, including one pointing to known malicious redirector infrastructure. The ML classifier strongly indicated maliciousness. The document body appears to be corrupted or obfuscated, preventing a clear understanding of its intended lure, but the presence of a malicious redirector URL is a high-confidence indicator of malicious intent. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=ionic+compounds+naming+worksheet
- http://files.modernhomebuyers.us/uploads/1/3/0/7/130738524/3024126.pdf
- http://files.steephill22.com/uploads/1/3/0/9/130969817/bufifotijo_vitoduk.pdf
- http://files.caboolturetouch.org/uploads/1/3/1/3/131384602/wumesitutesame_nagamojaf_vugav.pdf
- http://files.healthplexfamilyclinic.com/uploads/1/3/1/8/131872032/7059517.pdf
- https://cdn.shopify.com/s/files/1/0431/1243/1776/files/38453763201.pdf
- https://cdn.shopify.com/s/files/1/0432/8692/1376/files/15701598966.pdf
- https://cdn.shopify.com/s/files/1/0429/5226/1795/files/10118415450.pdf
- https://cdn.shopify.com/s/files/1/0431/7180/7391/files/50940349245.pdf
- https://cdn.shopify.com/s/files/1/0431/1806/7866/files/37858223397.pdf
- https://cdn.shopify.com/s/files/1/0432/1342/2753/files/farafowuwezemegoku.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xizujebekox.pdf
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/jaketerilupaniko.pdf
- https://cdn.shopify.com/s/files/1/0430/6049/4490/files/14653597609.pdf
- https://cdn.shopify.com/s/files/1/0435/7426/3963/files/72975400919.pdf
- https://cdn.shopify.com/s/files/1/0433/2008/2590/files/50288093794.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://cdn.shopify.com/s/files/1/0431/7180/7391/files/50
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c14.bin4e9cd1125dbb9e82f2fd333053fa682d30df744d96a4efc3c049ae8eaa4e4b04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C14 | 5432 bytes |
font_01_sfnt_off00007e64.bin289de28a0302124e95ede985da2f1b571b61696f46ea3812b606e88a6caa8caf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E64 | 9560 bytes |
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